The Light Source - Wall Mount, 1-1/2 Pipe, Black sr-standard or you can use them

or you can use them to create a redundant system with the ability to switch to the backup at the press of a button

allowing the GLD-AR2412 to be positioned up to 400' from the GLD-80

They are convection cooled

Tuning Fork Case for 8 tuning forks

The Light Source - Wall Mount, 1-1/2 Pipe, Black sr-standard or you can use themQuickly secures 1. 5" (1. 9" O. D.) pipes to the wall for permanent or temporary installations. 1 2" 13 tpi Cup Point Socket Set Screw locks to pipe with a " hex key. Flange ships with 4 13 32" (. 4065" diameter) holes on 3" centers for bolting to wall with 5 16" or 3 8" fasteners (Fasteners Not included).